<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div style="margin-bottom: 20px;">
        <input id="input" type="file"  accept='text/javascript'/>
        <div class="save-btn">保存</div>
    </div>
   

    <div id="monaco" style="width: 100vw;height: 100vh;"></div>
</body>
</html>